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Official data from INPI

DISPOSITIVO PARA A FORMAÇÃO DE DOBRAS LATERAIS EM LAMINADOS PLÁSTICOS TUBULARES.

Em AnáliseInvention Patent

Application data

Number

PI8505917

Type

Invention Patent

Filing

11/26/1985

Publication

08/19/1986

Progress at the INPI

  1. Filing11/26/85
  2. Publication08/19/86
  3. Examination06/21/88
  4. Allowance04/20/93
  5. Grant09/28/93
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Windmoller & Holscher

DE

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Inventors

R. P. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 43 236.1 · 11/27/1984

DE

P 35 06 772.1 · 02/26/1985

DE

P 35 24 391.0 · 07/08/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/21/1988

RPI 922

Publicação do pedido de patente

#3.1

08/19/1986

RPI 826

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Carta-patente expirada

#21.1

Patente extinta em 26/11/2000

07/15/2008

RPI 1958

Republicação - classificação IPC

#15.11

03/28/1995

RPI 1269

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

08/17/1993

RPI 1185

Deferimento

#9.1

04/20/1993

RPI 1168

Exigência - art. 36 da LPI

#6.1

10/13/1992

RPI 1141

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